Question

6X elevado 2 menos 12X igual 0

Answer 1

$6x^{2}-12x=0 \\ \\ x^{2}-2x=0 \\ \\ x'=0 \\ x''=-2$
$a=1 \\ b=-2 \\ c=0 \\ \\ x= \frac {-2\frac{+}{} \sqrt{4-4.1.0} }{2.1} \\ \\ x'= \frac{-2+2}{2} =0 \\ x''= \frac{-2-2}{2}= \frac{-4}{2}=-2$